INSTALL TIMING CHAIN CASE OIL SEAL
Using SST, tap in a new oil seal until its surface is flush with the timing chain case edge.
Note
Keep the lip free from foreign matter.
Do not tap on the oil seal at an angle.
Make sure that the oil seal edge does not stick out of the timing chain case.
INSTALL TIMING CHAIN COVER SUB-ASSEMBLY
Apply seal packing in a continuous line to the engine unit as shown in the following illustration.
| Seal packing |
|---|
| Toyota Genuine Seal Packing Black, Three Bond 1207B or equivalent |
| Seal diameter |
|---|
| 3.0 mm (0.118 in.) |
Note
Be sure to clean and degrease the contact surfaces, especially the surfaces indicated by C in the illustration.
If the contact surfaces are wet, wipe them with an oil-free cloth before applying seal packing.
Install the chain cover sub-assembly within 3 minutes after applying seal packing.
Do not start the engine for at least 2 hours after installing the chain cover sub-assembly.
Apply seal packing in a continuous line to the timing chain cover as shown in the following illustration.
| Seal packing |
|---|
| Toyota Genuine Seal Packing Black, Three Bond 1207B or equivalent |
| Toyota Genuine Seal Packing 1282B, Three Bond 1282B or equivalent |
Note
If the contact surfaces are wet, wipe them with an oil-free cloth before applying seal packing.
Install the chain cover sub-assembly within 3 minutes and tighten the bolts within 15 minutes after applying seal packing.
Do not start the engine for at least 2 hours after installing the chain cover sub assembly.
| Apply seal packing as follows | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Install a new gasket.
Align the oil pump's drive rotor spline and the crankshaft as shown in the illustration. Install the spline and chain cover to the crankshaft.
Temporarily tighten the timing chain cover with the 23 bolts and 2 nuts.
| Item | Length |
|---|---|
| Bolt A | 40 mm (1.57 in.) |
| Bolt B | 55 mm (2.17 in.) |
| Bolt C | 25 mm (0.98 in.) |
Note
Make sure that there is no oil on the bolt threads.
Fully tighten the bolts in area 1 and area 2.
Fully tighten the bolts and nuts in area 3.
Tech Tips
Tighten the bolts and nuts from top to bottom as shown in the illustration.
Fully tighten the bolts in area 4.
Tech Tips
Tighten the bolts from bottom to top as shown in the illustration.
INSTALL OIL PAN SUB-ASSEMBLY
When replacing a stud bolt, install it by using an E8 "TORX" socket wrench. installaction
Install 2 new O-rings.
Apply seal packing in a continuous line as shown in the illustration.
| Seal packing |
|---|
| Toyota Genuine Seal Packing Black, Three Bond 1207B or equivalent |
| Seal diameter |
|---|
| 3.0 to 4.0 mm (0.118 to 0.156 in.) |
Note
Remove any oil from the contact surface.
Install the oil pan within 3 minutes after applying seal packing.
Do not start the engine for at least 2 hours after installing.
Install the oil pan with the 16 bolts and 2 nuts.
INSTALL OIL STRAINER SUB-ASSEMBLY
Using an E6 "TORX" socket, install the stud bolts as shown in the illustration.
Install a new gasket and the oil strainer sub-assembly with the bolt and 2 nuts.
INSTALL NO. 2 OIL PAN SUB-ASSEMBLY
Using an E6 "TORX" socket, install the stud bolts as shown in the illustration.
Apply seal packing in a continuous line as shown in the illustration.
| Seal packing |
|---|
| Toyota Genuine Seal Packing Black, Three Bond 1207B or equivalent |
| Seal diameter |
|---|
| 3.0 to 4.0 mm (0.118 to 0.158 in.) |
Note
Remove any oil from the contact surface.
Install the No. 2 oil pan sub-assembly within 3 minutes after applying seal packing.
Do not start the engine for at least 2 hours after installing.
Install the No. 2 oil pan sub-assembly with the 16 bolts and 2 nuts.
INSTALL CYLINDER HEAD COVER SUB-ASSEMBLY (for Bank 2)
Apply seal packing as shown in the illustration.
| Seal packing |
|---|
| Toyota Genuine Seal Packing Black, Three Bond 1207B or equivalent |
Note
Remove any oil from the contact surfaces.
Install the cylinder head cover sub-assembly within 3 minutes after applying seal packing.
Do not start the engine for at least 2 hours after installing.
Install 3 new gaskets as shown in the illustration.
Install a new cylinder head cover gasket to the cylinder head cover sub-assembly.
Install the cylinder head cover sub-assembly with the 12 bolts and a new seal washer.
Tech Tips
After tightening all bolts, check the tightening torque of 1 and 10. Retighten the bolt if necessary.
INSTALL CYLINDER HEAD COVER SUB-ASSEMBLY (for Bank 1)
Apply seal packing as shown in the illustration.
| Seal packing |
|---|
| Toyota Genuine Seal Packing Black, Three Bond 1207B or equivalent |
Note
Remove any oil from the contact surface.
Install the head cover within 3 minutes after applying seal packing.
Do not start the engine for at least 2 hours after installing.
Install 3 new gaskets as shown in the illustration.
Install a new gasket to the head cover.
Install a head cover with the 12 bolts and a new seal washer.
Tech Tips
After tightening all bolts, check the tightening torque of 1 and 11. Retighten the bolt if necessary.
INSTALL WATER INLET HOUSING
Install a new water inlet housing No. 1 gasket and water outlet pipe O-ring.
Install the water inlet housing with the 2 bolts and nut.
Note
Be careful not to allow the O-ring to get caught between the parts.
Connect the water hose.
INSTALL OIL COOLER PIPE
Install a new gasket to the oil pan sub-assembly.
Install the oil cooler pipe with the bolt and 2 nuts.
INSTALL CRANKSHAFT PULLEY
Align the pulley set key with the key groove of the pulley, and slide on the pulley.
Using SST, install the pulley bolt.
INSTALL OIL PIPE
Make sure that there is no foreign matter on the mesh of the oil control valve filter RH.
Note
Do not touch the mesh when installing the oil control valve filter.
Install the oil control valve filter RH to the oil pipe union. Install new gaskets and temporarily install the oil pipe (on the head cover side).
Install a new gasket and temporarily install the oil pipe (on the cylinder head side) with the oil check valve bolt.
Install the bolt (A) to the cylinder head.
Tighten the oil pipe union (on the head cover side).
Tighten the oil pipe union (on the cylinder head side).
Note
If the link that connects the gaskets is broken, remove the connecting link by using side cutters or a similar tool.
INSTALL NO. 1 OIL PIPE
Make sure that there is no foreign matter on the mesh of the oil control valve filter LH.
Note
Do not touch the mesh when installing the oil control valve filter.
Install the oil control valve filter LH to the oil pipe union. Install new gaskets and temporarily install the oil pipe (on the head cover side).
Install a new gasket and temporarily install the oil pipe (on the cylinder head side) with the oil check valve bolt.
Tighten the oil pipe union (on the head cover side).
Tighten the oil pipe union (on the cylinder head side).
Note
If the link that connects the gaskets is broken, remove the connecting link by using side cutters or a similar tool.
INSTALL ENGINE HANGERS
Install the 2 engine hangers with the 4 bolts as shown in the illustration.
| Part No. |
|---|
| No. 1 Engine hanger 12281-31120 |
| No. 2 Engine hanger 12282-31100 |
| Bolts 91671-10825 |
Attach the engine sling device and hang the engine with the chain block.
REMOVE ENGINE STAND
INSTALL ENGINE ASSEMBLY WITH TRANSAXLE
Tech Tips